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Dorman 674-428 Exhaust ManifoldOE Quality 60-Day Returns
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Part #: 674-428

Dorman 674-428 Exhaust Manifold

⚙️ 59 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$361.88Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Cadillac, Chevrolet, and GMC, ATS, Camaro, CT6, CTS, Envision, Equinox, Malibu, Regal, Regal Sportback, Regal TourX, Terrain, and Traverse
🔄Easy Returns — Return within 60 days for a full refund
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Dorman 674-428 Exhaust Manifold
BrandDorman
Part Number674-428
MaterialAcero inoxidable fundido
MaterialCast stainless steel
ColorGris metálico
ColorMetallic gray
Port ShapeRectangle
Port ShapeRectángulo
Collector Port Diameter1.735
Oxygen Sensor PortNo
Oxygen Sensor PortNon
Tube Wall Thickness0.125
Mounting Hardware IncludedOui
Mounting Hardware IncludedSí
Mounting Hardware IncludedYes
Grade TypeReemplazo estándar
Grade TypeStandard replacement
Gasket Or Seal IncludedNo
Gasket Or Seal IncludedNon
Mounting Hole Quantity8
Heat Shield IncludedOui
Heat Shield IncludedSí
Heat Shield IncludedYes
Contenidos del paquete1 múltiple de escape
Contenidos del paquete1 protector térmico
Package Contents1 exhaust manifold
Package Contents1 heatshield

This part fits 59 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2023ChevroletCamaro2.0LL4N/A
2022ChevroletCamaro2.0LL4N/A
2022ChevroletMalibu2.0LL4N/A
2021ChevroletCamaro2.0LL4N/A
2021ChevroletMalibu2.0LL4N/A
2021GMCTerrain2.0LL4N/A
2020BuickEnvision2.0LL4N/A
2020BuickRegal Sportback2.0LL4N/A
2020BuickRegal TourX2.0LL4N/A
2020ChevroletCamaro2.0LL4N/A
2020ChevroletEquinox2.0LL4N/A
2020ChevroletMalibu2.0LL4N/A
2020GMCTerrain2.0LL4N/A
2019BuickEnvision2.0LL4N/A
2019BuickRegal Sportback2.0LL4N/A
2019BuickRegal TourX2.0LL4N/A
2019CadillacATS2.0LL4N/A
2019CadillacCT62.0LL4N/A
2019CadillacCTS2.0LL4N/A
2019ChevroletCamaro2.0LL4N/A
2019ChevroletEquinox2.0LL4N/A
2019ChevroletMalibu2.0LL4N/A
2019ChevroletTraverse2.0LL4N/A
2019GMCTerrain2.0LL4N/A
2018BuickEnvision2.0LL4N/A
2018BuickRegal Sportback2.0LL4N/A
2018BuickRegal TourX2.0LL4N/A
2018CadillacATS2.0LL4N/A
2018CadillacCT62.0LL4N/A
2018CadillacCTS2.0LL4N/A
2018ChevroletCamaro2.0LL4N/A
2018ChevroletEquinox2.0LL4N/A
2018ChevroletMalibu2.0LL4N/A
2018ChevroletTraverse2.0LL4N/A
2018GMCTerrain2.0LL4N/A
2017BuickEnvision2.0LL4N/A
2017BuickRegal2.0LL4N/A
2017CadillacATS2.0LL4N/A
2017CadillacCT62.0LL4N/A
2017CadillacCTS2.0LL4N/A
2017ChevroletCamaro2.0LL4N/A
2017ChevroletMalibu2.0LL4N/A
2016BuickEnvision2.0LL4N/A
2016BuickRegal2.0LL4N/A
2016CadillacATS2.0LL4N/A
2016CadillacCT62.0LL4N/A
2016CadillacCTS2.0LL4N/A
2016ChevroletCamaro2.0LL4N/A
2016ChevroletMalibu2.0LL4N/A
2015BuickRegal2.0LL4N/A
2015CadillacATS2.0LL4N/A
2015CadillacCTS2.0LL4N/A
2015ChevroletMalibu2.0LL4N/A
2014BuickRegal2.0LL4N/A
2014CadillacATS2.0LL4N/A
2014CadillacCTS2.0LL4N/A
2014ChevroletMalibu2.0LL4N/A
2013CadillacATS2.0LL4N/A
2013ChevroletMalibu2.0LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12627069126510641267022012670221

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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